Background: Missed injuries (MIs) have been noted worldwide in all trauma centres that have studied them, and they are a significant cause of patient morbidity and mortality.
Objective: To establish the prevalence, contributing factors and short-term outcome of missed injuries in cases of multiple and major trauma.
Method: Longitudinal prospective study involving 403 patients over 5 months.
Results: Missed injuries were discovered in 78 cases (prevalence 19.4%). Contributing factors included incomplete assessment (52.5%), radiological errors, surgical failures and patient's arrival time. The most affected body regions were the head and neck, extremities and pelvic girdle and contents; in the abdomen, 49.1% of injuries were missed. Among the 28 deaths in the study, 21 occurred in cases with missed injuries, and 13 (62%) of these deaths were directly attributable to missed injuries (R2=12.5, p=0.0001, 95% CI 5.5-28.35).
Conclusion: There is need for improvement in patient assessment and monitoring, in efficiency of the trauma team, and for staff redistribution to address the increase in night arrivals.